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Walsin Lihwa consistently pursues a high standard of quality on production, ensuring the provision of high quality materials to clients. Any questions on Certifications, Please contact us.
Seamless Pipe and Tube
Quality Management System
  • American Petroleum Institute Certificate
  • ASME Quality System Certificate
  • China Quality Certificate
  • European Directive 97/23/EC for Pressure Equipment
  • ISO 9001 Quality Management System